Psychology

APA is the leading scientific and professional organization representing psychology in the United States. Our mission is to advance the creation, communication and application of psychological knowledge to benefit society and improve people's lives.

The Association for Psychological Science (previously the American Psychological Society) is a nonprofit organization dedicated to the advancement of scientific psychology and its representation at the national and international level.

The National Institute of Mental Health (NIMH) is part of the National Institutes of Health (NIH), a component of the U.S. Department of Health and Human Services.